IBM PC 300GL manual PCI configuration space map

Table 34. DMA I/O address map
Address (hex)	Description	Bits	Byte pointer
00CE	Channel 7, Transfer Count register	00–15	Yes
00D0	Channels 4–7, Read Status/Write Command	00–07
	register
00D2	Channels 4–7, Write Request register	00–02
00D4	Channels 4–7, Write Single Mask register bit	00–02
00D6	Channels 4–7, Mode register (write)	00–07
00D8	Channels 4–7, Clear byte pointer (write)	N/A
00DA	Channels 4–7, Master clear (write)/temp (read)	00–07
00DC	Channels 4–7, Clear Mask register (write)	00–03
00DE	Channels 4–7, Write All Mask register bits	00–03
00DF	Channels 507, 8- or 16-bit mode select	00–07

PCI configuration space map
	Table 35. PCI configuration space map
	Bus number (hex)	Device number (hex)	Function number (hex)	Description
	00	00	00	VIA VT 82C694X (north bridge)
	00	01	00	VIA VT 82C694X (north bridge)
	00	02	00	VIA VT 82C596B (south bridge)
	00	02	01	VIA VT 82C596B (south bridge)
	00	02	02	VIA VT 82C596B (south bridge)
	00	02	03	Intel 82371AB power management
	00	0 x 12	00	ESS 1930 audio controller
	01	00	00	S3Tio3D AGP video
	00	0 x 10	N/A	Slot 1
	00	0 x 0F	N/A	Slot 2
	00	0 x 0E	N/A	Slot 3

Appendix B. System address maps 51